74864005

素因数分解:

$5^1\times {\mathrm{17}}^2\times {\mathrm{103}}^1\times {\mathrm{503}}^1$

素因数の和:645

約数の個数: 24

約数和(自身を含む): 96550272

約数和(自身を除く): 21686267

約数列:

[1, 5, 17, 85, 103, 289, 503, 515, 1445, 1751, 2515, 8551, 8755, 29767, 42755, 51809, 145367, 148835, 259045, 726835, 880753, 4403765, 14972801, 74864005]

約数ペア:

[(1, 74864005), (5, 14972801), (17, 4403765), (85, 880753), (103, 726835), (289, 259045), (503, 148835), (515, 145367), (1445, 51809), (1751, 42755), (2515, 29767), (8551, 8755)]